1) hydraulic: the science of pressure in fluids
2)pnumatic:the use of compressed air in a confined space
3) dentists chair,brakes of a transport, tractor,backhoe
4)air compressor,air drill,airgun,airsoft gun
5)hydraulic systems work by using pressure in oil or other fluids
6)pneumatic systems work by using air in a confined space
7)pneumatic systems work with air and hydraulic systems work with oil
2)pnumatic:the use of compressed air in a confined space
3) dentists chair,brakes of a transport, tractor,backhoe
4)air compressor,air drill,airgun,airsoft gun
5)hydraulic systems work by using pressure in oil or other fluids
6)pneumatic systems work by using air in a confined space
7)pneumatic systems work with air and hydraulic systems work with oil
hydraulic video
http://www.youtube.com/watch?v=YlmRa-9zDF8&feature=player_detailpage
pnumatic video
http://www.youtube.com/watch?v=UuK3ESGgbqk&feature=player_detailpage#t=83s